Main Content
iDatalink Maestro Radio Replacement T-Harness for Select 2016-2019 Chevrolet and GMC Vehicles - HRN-HRR-GM4
Ask Bolt?
Shop iDatalink
Abt Model: HRNHRRGM4
UPC: 627780004082
Ship to
Your Price:
$83.99
Shipping
See other products in
Ask Bolt?
iDatalink HRN-HRR-GM4 Maestro Radio Replacement T-Harness for Select 2016-2019 Chevrolet and GMC Vehicles
Installation harness and chime speaker designed for use with Maestro RR or RR2 modules compatible with select GM vehicles 2016+ Optional head unit adapters available for most major brands radios for a simplified installation. Please refer to the vehicle fit guide for vehicle-specific feature coverage.
Features
Compatibility
- Chevrolet
- Colorado With 7" Factory Radio (Does Not Retain OEM Amplifier)
- Silverado 1500 Long Box With 7" Radio (2017-2018)
- Silverado 1500 Standard/Short Box With 7" Radio (2016-2018)
- Silverado 2500 Long Box With 7" Radio (2016-2018)
- Silverado 2500 Standard/Short Box With 7" Radio (2016-2019)
- Silverado 3500 Long Box With 7" Radio (2016-2019)
- Silverado 3500 Standard/Short Box With 7" Radio (2016-2017, 2019)
- Silverado 3500 Standard/Short Box With 7" Radio (Does Not Retain OEM Amplifier) (2018)
- Silverado Classic Long Box With 7" Radio (2019)
- Silverado Classic Standard/Short Box With 7" Radio (2019)
- GMC
- Canyon With 7" Factory Radio(2017-2018)
- Sierra 1500 Long Box With 7" Radio (2016-2018)
- Sierra 1500 Standard/Short Box With 7" Radio (2016-2018)
- Sierra 2500 Long Box With 7" Radio (2016-2019)
- Sierra 2500 Standard/Short Box With 7" Radio (2016-2019)
- Sierra 3500 Long Box With 7" Radio (2016-2019)
- Sierra 3500 Standard/Short Box With 7" Radio (2016-2019)
- Sierra Classic Long Box With 7" Radio (2019)
- Sierra Classic Standard/Short Box With 7" Radio (2019)
California customers:
General
Type
Car Interface
Compatibility
Select 2016-2019 Chevrolet and GMC Vehicles
In the Box
1 x HRN-HRR-GM4 Harness
Approximate Weight
Package Weight (lbs)
1
Approximate Dimensions
Package Size HxWxL (in)
5 x 7 x 7
Articles
Frequently Asked Questions
-
This harness is compatible with select 2016 to 2019 Chevrolet and GMC vehicles equipped with a 7-inch factory radio. It supports various models including Chevrolet Colorado, Silverado 1500, 2500, 3500, and Silverado Classic, as well as GMC Canyon and Sierra 1500, 2500, 3500, and Sierra Classic. Check the specific year and radio configuration for compatibility.
-
The harness does not retain the OEM amplifier in some configurations, particularly for Colorado with 7-inch factory radios and certain Silverado 3500 models. Refer to your vehicle's specific compatibility to confirm amplifier retention.
-
It is specifically designed to interface with Maestro RR or RR2 modules, enabling seamless integration and enhanced functionality when upgrading or replacing the factory radio system.
-
Yes, the harness features a plug-and-play design, simplifying installation by connecting directly to factory wiring without the need for cutting or splicing, minimizing installation time and effort.
-
The package includes one HRN-HRR-GM4 harness and a chime speaker, which integrates with the Maestro modules for notifying vehicle alerts. Optional head unit adapters are available separately to support most major brand radios for easier integration.
Have a question?
We'd love to help!

Your recently viewed items:
iDatalink Maestro Radio Replacement T-Harness for Select 2016-2019 Chevrolet and GMC Vehicles

iDatalink Maestro Radio Replacement T-Harness for Select 2016-2019 Chevrolet and GMC Vehicles